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-rw-r--r--lib/syntax_tools/test/syntax_tools_SUITE.erl36
1 files changed, 34 insertions, 2 deletions
diff --git a/lib/syntax_tools/test/syntax_tools_SUITE.erl b/lib/syntax_tools/test/syntax_tools_SUITE.erl
index 30e5e7b713..a79d8d72bf 100644
--- a/lib/syntax_tools/test/syntax_tools_SUITE.erl
+++ b/lib/syntax_tools/test/syntax_tools_SUITE.erl
@@ -25,13 +25,15 @@
%% Test cases
-export([app_test/1,appup_test/1,smoke_test/1,revert/1,revert_map/1,
- t_abstract_type/1,t_erl_parse_type/1,t_epp_dodger/1]).
+ t_abstract_type/1,t_erl_parse_type/1,t_epp_dodger/1,
+ t_comment_scan/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[app_test,appup_test,smoke_test,revert,revert_map,
- t_abstract_type,t_erl_parse_type,t_epp_dodger].
+ t_abstract_type,t_erl_parse_type,t_epp_dodger,
+ t_comment_scan].
groups() ->
[].
@@ -205,6 +207,36 @@ t_epp_dodger(Config) when is_list(Config) ->
ok = test_epp_dodger(Filenames,DataDir,PrivDir),
ok.
+t_comment_scan(Config) when is_list(Config) ->
+ DataDir = ?config(data_dir, Config),
+ Filenames = ["syntax_tools_SUITE_test_module.erl",
+ "syntax_tools_test.erl"],
+ ok = test_comment_scan(Filenames,DataDir),
+ ok.
+
+test_comment_scan([],_) -> ok;
+test_comment_scan([File|Files],DataDir) ->
+ Filename = filename:join(DataDir,File),
+ {ok, Fs0} = epp:parse_file(Filename, [], []),
+ Comments = erl_comment_scan:file(Filename),
+ Fun = fun(Node) ->
+ case erl_syntax:is_form(Node) of
+ true ->
+ C1 = erl_syntax:comment(2,[" This is a form."]),
+ Node1 = erl_syntax:add_precomments([C1],Node),
+ Node1;
+ false ->
+ Node
+ end
+ end,
+ Fs1 = erl_recomment:recomment_forms(Fs0, Comments),
+ Fs2 = erl_syntax_lib:map(Fun, Fs1),
+ io:format("File: ~s~n", [Filename]),
+ io:put_chars(erl_prettypr:format(Fs2, [{paper, 120},
+ {ribbon, 110}])),
+ test_comment_scan(Files,DataDir).
+
+
test_epp_dodger([], _, _) -> ok;
test_epp_dodger([Filename|Files],DataDir,PrivDir) ->
io:format("Parsing ~p~n", [Filename]),